EP4075637B1 - Integrierte ladevorrichtung, ladesäule und verfahren zur steuerung der ladesäule - Google Patents

Integrierte ladevorrichtung, ladesäule und verfahren zur steuerung der ladesäule Download PDF

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Publication number
EP4075637B1
EP4075637B1 EP22160510.8A EP22160510A EP4075637B1 EP 4075637 B1 EP4075637 B1 EP 4075637B1 EP 22160510 A EP22160510 A EP 22160510A EP 4075637 B1 EP4075637 B1 EP 4075637B1
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European Patent Office
Prior art keywords
power
charging device
charging
integrated
integrated charging
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EP22160510.8A
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English (en)
French (fr)
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EP4075637A1 (de
EP4075637C0 (de
Inventor
Hongchuang CHEN
Luguo WANG
Linchong Xu
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Sungrow Power Supply Co Ltd
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Sungrow Power Supply Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00036—Charger exchanging data with battery
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
    • B60L53/22—Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/305—Communication interfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/31—Charging columns specially adapted for electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/66—Data transfer between charging stations and vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/67—Controlling two or more charging stations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/10—DC to DC converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/30—AC to DC converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/20—Charging or discharging characterised by the power electronics converter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

Definitions

  • the present disclosure relates to the technical field of charging piles, and in particular to an integrated charging device, a charging pile and a method for controlling the charging pile.
  • a charging pile includes multiple charging devices. Both power control and charging control are performed on the charging pile. That is, a power control unit in the charging pile transmits a power request from a load to a corresponding charging device, and the charging device controls its own output, so as to perform charging by a single charging device or by multiple charging devices connected in parallel, thereby meeting power demand of the load.
  • internal communication in the existing charging pile includes three levels: a micro control unit (MCU), the power control unit, and a controller in each of the multiple charging devices, where the MCU performs communication between a battery management system (BMS) of the load and the power control unit, and the power control unit communicates with the controller in each of the multiple charging devices, resulting in complicated communication in the existing charging pile and high cost.
  • MCU micro control unit
  • BMS battery management system
  • United States Patent Application US2018/236888 discloses a relay device provided in vehicle.
  • the relay device has a battery, converts control signal formats, and relays between a first communications unit and a second communications unit.
  • the relay device includes: a limiting unit that limits power supplied between charging station and battery, an acquisition unit that obtains DC voltage supplied by charging station and obtains the battery's voltage, a determination unit that determines whether the voltage difference between each obtained voltage is less than threshold value, and a release unit that releases the limits by limiting unit if a determination has been made that the voltage difference is less than threshold value.
  • United States Patent Application US2021/061114 discloses an on-board charging and discharging system.
  • the system including: a first power conversion module, a second power conversion module, and a third power conversion module.
  • the input terminals of the first power conversion module, the second power conversion module and the third power conversion module are respectively electrically connected to one corresponding phase of a three-phase power supply.
  • Each power conversion module includes an AC-DC converter, a bus capacitor and a first DC-DC converter, an input terminal of the AC-DC converter is electrically connected to the one corresponding phase of the three-phase power supply, and the bus capacitor is connected in parallel with an output of the AC-DC converter and an input of the first DC-DC converter.
  • United States Patent Application US2109/344682 discloses a charging pile system.
  • the system includes a system input bus, multiple charging pile circuit groups, a power allocation unit, and multiple charging terminals that correspond to the multiple charging pile circuit groups.
  • the system input bus is connected to input ends of the plurality of charging pile circuit groups, and output ends of the charging pile circuit groups are connected to input ends of the charging terminals using the power allocation unit.
  • the power allocation unit includes a first switch group, a second switch group, a third switch group, and a controller, and each switch group includes a plurality of switching devices.
  • an integrated charging device, a charging pile and a method for controlling the charging pile are provided according to the present disclosure, so as to solve the problems of complicated communication in the charging pile and high cost in the conventional technology.
  • an integrated charging device and a main controller are provided, the integrated charging device includes a main circuit, a controller, and a communication module.
  • An input terminal of the main circuit serves as a power input terminal of the integrated charging device
  • a first output terminal of the main circuit serves as a power output terminal of the integrated charging device, and is configured to be connected to a power input terminal of a charging gun corresponding to the integrated charging device.
  • the controller is configured to control the main circuit to convert alternating current into direct current (AC to DC) based on a determined parameter to charge a load.
  • a first end of the communication module is communicatively connected to the controller, and a second end of the communication module includes an external communication port, where the external communication port is configured to be communicatively connected to a BMS of the load via a communication line in the charging gun, and the second end of the communication module further includes: an internal communication port configured to be connected to a module communication bus to perform internal communication within a charging pile in which the integrated charging device is arranged, wherein the internal communication comprises communication with a main controller of the charging pile and communication with other integrated charging devices in the charging pile; and the main controller in the charging pile transmits, in response to a command for starting a charging gun, a primary group operation command to an integrated charging device corresponding to the charging gun.
  • the communication module is configured to communicate with the BMS based on a controller area network (CAN) bus protocol; and/or the module communication bus is a CAN bus.
  • CAN controller area network
  • the main circuit further includes: a second output terminal serving as an auxiliary power output terminal of the integrated charging device and configured to supply power to the BMS via an auxiliary power line in the charging gun.
  • an output voltage of the second output terminal is within a preset range.
  • the main circuit includes: an AC/DC converter, a first DC/DC converter, and a second DC/DC converter.
  • An alternating current side of the AC/DC converter serves as the input terminal of the main circuit.
  • a direct current side of the AC/DC converter, an input terminal of the first DC/DC converter, and an input terminal of the second DC/DC converter are connected to a direct current bus of the main circuit.
  • An output terminal of the first DC/DC converter serves as the first output terminal of the main circuit.
  • An output terminal of the second DC/DC converter serves as the second output terminal of the main circuit.
  • a charging pile which includes a main controller, N charging guns, and at least N integrated charging devices, where each of the at least N integrated charging devices is the integrated charging device described in any one of the above embodiments, and N is a positive integer.
  • Power input terminals of the at least N integrated charging devices are connected in parallel.
  • Each of the N charging guns is connected to at least one of the at least N integrated charging devices.
  • the main controller is communicatively connected to an internal communication port of each of the at least N integrated charging devices.
  • the number of integrated charging devices is N, and the N integrated charging devices are connected to the N charging guns in a one-to-one correspondence.
  • the charging pile further includes at least N power charging devices.
  • Power input terminals of the at least N power charging devices and the power input terminals of the N integrated charging devices are connected in parallel.
  • the power output terminal of each of the N integrated charging devices is connected in parallel to a power output terminal of at least one of the at least N power charging devices.
  • Each of the at least N power charging devices is provided with an internal communication port configured to be communicatively connected to each of the integrated charging devices.
  • the charging pile further includes a switch module.
  • the switch module configured to connect the power output terminal of one of the integrated charging devices in parallel to the power output terminal of another one of the integrated charging devices.
  • the charging pile further includes: a module communication bus configured to be communicatively connected to the main controller, an internal communication port of each of the power charging devices and the internal communication port of each of the integrated charging devices.
  • a method for controlling a charging pile is provided.
  • the method is applicable to the charging pile according to any one of the above embodiments, and includes:
  • the method further includes: before the communicating, by the first integrated charging device, with a BMS of a load connected to the first charging gun via a communication line in the first charging gun, supplying, by the first integrated charging device, power to the BMS via an auxiliary power line in the first charging gun.
  • the method further includes: when the main controller transmits the primary group operation command to the first integrated charging device corresponding to the first charging gun,
  • the method further includes: after the receiving, by the first power charging device, the power request forwarded by the first integrated charging device, and activating, in a case that power outputted by the first integrated charging device does not meet power demand in the power request, the first power charging device to output power, and in a case that a sum of power outputted by both the first integrated charging device and the first power charging device does not meet the power demand, performing following operations at least once until the power demand in the power request is met:
  • the method for controlling a charging pile further includes: after the transmitting, by the main controller, a secondary group preparation command to a second integrated charging device that is among the integrated charging devices and that is idle and a second power charging device that is among the at least N power charging devices and that is connected in parallel to the power output terminal of the second integrated charging device,
  • the method for controlling a charging pile further includes: after the second integrated charging device is connected in parallel to the first integrated charging device to output power,
  • the forwarding, by the first integrated charging device, the power request includes: forwarding, by the first integrated charging device, the power request to the module communication bus.
  • the controller is communicatively connected to the first end of the communication module.
  • the second end of the communication module includes the external communication port.
  • the external communication port is configured to be communicatively connected to a BMS of a load via the communication line in the charging gun connected to the integrated charging device. That is, the integrated charging device is capable of communicating with the BMS, so that the controller directly communicates with the BMS, eliminating the complicated transfer process by the MCU and the power control unit in the conventional technology, thereby simplifying communication in the charging pile provided with the integrated charging device and reducing cost.
  • An integrated charging device is provided according to the present disclosure, to solve the problems of complicated communication in the charging pile and high cost in the conventional technology.
  • the integrated charging device includes a main circuit 101, a controller 102, and a communication module 103.
  • An input terminal of the main circuit 101 serves as a power input terminal of the integrated charging device, and is configured to be connected to a grid input module to receive inputted alternating current power.
  • a power transmission cable for the input terminal of the main circuit 101 is shown as the thick solid line on the left side of the main circuit in Figure 1 .
  • a first output terminal of the main circuit 101 serves as a power output terminal of the integrated charging device, and is configured to be connected to a power input terminal of a charging gun corresponding to the integrated charging device to output direct current power so as to charge a load, for example, a high-voltage power battery of an electric vehicle.
  • a power transmission cable for the first output terminal of the main circuit 101 is shown as the thick solid line on the right side of the main circuit 101 in Figure 1 .
  • the controller 102 is configured to control operation of the main circuit 101.
  • the controller 102 controls the main circuit to convert alternating current into direct current (AC to DC) based on a determined parameter, so as to charge the load.
  • a control cable for the controller 102 is shown as the thin solid line in Figure 1 .
  • a first end of the communication module 103 is communicatively connected to the controller 102.
  • a second end of the communication module 103 includes an external communication port.
  • the external communication port is configured to be communicatively connected to a BMS of the load via a communication line in the charging gun.
  • a communication cable for the communication module 103 is shown as the dotted line in Figure 1 .
  • the controller 102 is communicatively connected with a BMS of a load via the communication module 103. That is, the integrated charging device is capable of communicating with the BMS, so that the controller 102 directly communicates with the BMS, eliminating the complicated transfer process by the MCU and the power control unit in the conventional technology, thereby simplifying communication in the charging pile provided with the integrated charging device and reducing cost, and improving integration of the charging device.
  • the communication module 103 communicates with the BMS based on a CAN bus protocol.
  • the communication module 103 communicates with the BMS based on another protocol.
  • the CAN bus protocol only serves as an example for description.
  • a protocol for communication between the communication module 103 and the BMS is not limited to the CAN bus protocol and depends on application scenarios. All technical solutions that the communication module 103 communicates with the BMS based on a protocol fall within the protection scope of the present disclosure.
  • multiple charging devices are arranged in a charging pile. These charging devices may include the integrated charging device according to this embodiment, the existing charging device in the conventional technology, or both the integrated charging device and existing charging device. Each of the multiple charging devices is required to communicate with a main controller in the charging pile. Further, the multiple charging devices may communicate with each other to share information.
  • the second end of the communication module 103 further includes an internal communication port. The internal communication port is configured to be connected to a module communication bus, so as to perform communication in the charging pile where the integrated charging device is arranged.
  • each charging device which may be an integrated charging device or an existing charging device, is connected to the module communication bus through an internal communication port of the charging device, the main controller in the charging pile is also connected to the module communication bus, to perform communication in the charging pile.
  • the module communication bus may be a CAN bus or a bus following another protocol, which may be any protocol in the conventional technology.
  • the CAN bus only serves as an example for description.
  • the module communication bus is not limited to the CAN bus and depends on application scenarios, and all suitable module communication buses fall within the protection scope of the present disclosure.
  • a current charging pile is required to be compatible with both a charging scheme of 12V and a charging scheme of 24V due to a power supply scheme of 24V for a power source in the early national standard for charging. Therefore, two switching power sources of respective voltage levels are required in the charging pile, which increases complexity of a charging system.
  • an integrated charging device is provided according to another embodiment of the present disclosure.
  • the main circuit 101 in the integrated charging device further includes: a second output terminal.
  • the second output terminal serves as an auxiliary power output terminal of the integrated charging device, and is configured to at least supply power to a BMS through an auxiliary power line in the charging gun.
  • a voltage outputted from the second output terminal of the charging device is adjustable within a preset range, for example, a range of [12V, 24V]. In this way, the charging pile is compatible with both the charging scheme of 12V and the charging scheme of 24V
  • the main circuit 101 includes an AC/DC converter, a first DC/DC converter, and a second DC/DC converter.
  • An alternating current side of the AC/DC converter serves as the input terminal of the main circuit 101, and is configured to receive inputted alternating current power.
  • a direct current side of the AC/DC converter, an input terminal of the first DC/DC converter, and an input terminal of the second DC/DC converter are connected to a direct current bus of the main circuit 101, so that direct current power outputted by the AC/DC converter is inputted to the first DC/DC converter and the second DC/DC converter through the direct current bus.
  • An output terminal of the first DC/DC converter serves as the first output terminal of the main circuit 101, to supply direct current power to the load.
  • An output terminal of the second DC/DC converter serves as the second output terminal of the main circuit 101, to supply power to the BMS of the load, so as to perform auxiliary power supply.
  • each of the first and second DC/DC converters is an isolated DC/DC converter, to improve charging safety.
  • the integrated charging device not only includes the external communication port for communicating with the BMS, but also integrates an auxiliary power supply for supplying power to the BMS. Therefore, a BMS auxiliary power supply in the conventional technology is unnecessary, simplifying wiring in the charging pile. Further, when the charging pile is on standby, the integrated charging device is powered off, reducing the power consumption of the charging pile on standby, thereby reducing operation cost. Moreover, the integrated charging device is capable of outputting adjustable direct current power through DC/DC conversion, resulting in low cost and a sample structure.
  • a charging pile is provided according to another embodiment of the present disclosure. As shown in Figure 3 , the charging pile includes a main controller 300, N charging guns 200, and N integrated charging devices 100 as described in any of the above embodiments, where N is a positive integer.
  • Power input terminals of the N integrated charging devices 100 are connected in parallel, and are configured to receive inputted alternating current power via a grid input component.
  • the grid input component may include devices such as a protector and a contactor. Details of the grid input link can be referred to the conventional technology, and are not described herein.
  • Each of the N charging guns 200 is provided with at least one integrated charging device 100.
  • the number of integrated charging devices 100 is N, and the N integrated charging devices 100 are connected to the N charging guns 200 in one-to-one correspondence.
  • a connection cable between the integrated charging device 100 and a charging gun 200 that is among the N charging guns 200 and that corresponds to the integrated charging device 100 includes: a power transmission cable for supplying direct current power to a load (shown as the thick solid line between the integrated charging device 100 and the charging gun 200 in Figure 3 ), an auxiliary power cable for supplying power to a BMS of a load (shown as the thin solid line between the integrated charging device 100 and the charging gun 200 in Figure 3 ), and a communication cable to be communicatively connected with the BMS of the load (shown as the dashed line between the integrated charging device 100 and the charging gun 200 in Figure 3 ). Therefore, each of the N integrated charging devices 100 is capable of independently charging a load via the charging gun
  • the main controller 300 is communicatively connected to the internal communication port of each of the N integrated charging devices 100 through a communication cable, which is shown as the dotted line between each integrated charging device 100 and the main controller 300 and in Figure 3 .
  • the main controller 300 and the internal communication port of each of the N integrated charging devices 100 are connected to a module communication bus, to perform communication in the charging pile via the module communication bus.
  • the charging pile may include only the integrated charging device according to the above embodiments, and the number of the integrated charging device is not limited.
  • the charging pile may include both the integrated charging device according to the above embodiments and an existing charging device shown as a power charging device 400 in Figure 4 .
  • the power charging device 400 is capable of only outputting direct current power and performing internal communication, and cannot supply power to a BMS and perform external communication such as communication with the BMS.
  • the power charging device 400 is connected in parallel to the integrated charging device 100 to increase power for charging and reduce duration for charging the load.
  • power supply to a BMS of a load connected to the charging gun 200 and communication with the BMS can be implemented by equipping each charging gun 200 with one integrated charging device 100, so as to ensure charging at least cost.
  • a charging gun 200 may be provided with two or more integrated charging devices 100, all of which fall within the protection scope of the present disclosure.
  • the charging pile further includes at least N power charging devices 400, as shown in Figure 4 . That is, each integrated charging devices 100 is equipped with at least one power charging device 400, so as to meet demand for high-power charging.
  • Power input terminals of the at least N power charging devices 400 and the power input terminals of the N integrated charging devices 100 are connected in parallel, and are connected to the grid input component.
  • the power output terminal of each of the N integrated charging devices 100 is connected in parallel to a power output terminal of at least one of the N power charging device 400.
  • each of the at least N power charging devices 400 includes an internal communication port that is communicatively connected with each of the N integrated charging devices 100.
  • the internal communication port of each of the N power charging devices 400 is communicatively connected to the module communication bus, so as to be connected to the main controller 300 and the internal communication port of each of the N integrated charging devices 100. Therefore, information is shared between any modules in the charging devices.
  • FIG. 4 only shows an example in which a charging pile includes two integrated charging devices 100 and each of the two integrated charging devices 100 is provided with one power charging device 400.
  • the charging pile may include multiple integrated charging device 100, and each integrated charging device 100 may be provided with any number of power charging devices 400.
  • the number of the integrated charging device 100 and the number of the power charging device 400 depend on application scenarios, all of which are within the protection scope of the present disclosure.
  • only one integrated charging device 100 is arranged in a charging circuit of a charging gun in the charging pile.
  • the power charging device connected in parallel to the power output terminal of the integrated charging device 100 may be a common charging device, that is, the power charging device 400 that is incapable of supplying power to a BMS and communicate with the BMS, so as to reduce system cost.
  • the charging pile further includes a switch module 500 in a case that N is greater than 1, as shown in Figure 4 .
  • the power output terminal of the integrated charging device 100 may be connected in parallel to the power output terminal of another one of the N integrated charging devices 100 via the switch module 500.
  • the power output terminal of another charging device is connected in parallel to the power input terminal of the charging gun 200 via the switch module 500, so as to meet the power demand of the load in real time.
  • a method for controlling a charging pile is provided according to another embodiment of the present disclosure.
  • the method is applicable to the charging pile according to the above embodiments.
  • the method includes the following steps S101 to S103.
  • step S101 the main controller in the charging pile transmits, in response to a command for starting a first charging gun among the N charging guns, a primary group operation command to a first integrated charging device that is among the integrated charging devices and that is connected to the first charging gun.
  • a power input terminal of each of the charging guns in the charging pile is connected to one of the integrated charging devices.
  • the main controller receives a command for starting the charging gun.
  • the integrated charging device connected to the charging gun is to be started to supply power for charging the load.
  • step S102 the first integrated charging device communicates with a BMS of a load connected to the first charging gun through a communication line in the first charging gun, to acquire a power request from the BMS.
  • Amount of power required by the load is determined before charging the load. Since the integrated charging device is capable of communicating with a BMS, the integrated charging device directly communicates with the BMS of the load to acquire the power request, so as to determine the amount of power required by the load.
  • step S103 the first integrated charging device charges the load via the first charging gun.
  • the first integrated charging device charges the load based on power demand of the load.
  • the load For power conversion during charging, reference can be made to the above embodiments and the conventional technology, which is not described in detail herein.
  • step S102 that is, before the first integrated charging device communicates with the BMS of the load connected to the first charging gun via the communication line in the first charging gun, the first integrated charging device is required to supply power to the BMS to start the BMS.
  • the conventional charging pile is provided with a separate BMS auxiliary power supply to supply power to the BMS.
  • the method further includes a step S201 before step S 102, as shown in Figure 6 .
  • step S201 the first integrated charging device supplies power to the BMS through an auxiliary power line in the first charging gun.
  • the integrated charging device is capable of supplying power to the BMS. Before communicating with the BMS, the integrated charging device supplies power to the BMS to start the BMS, so as to perform parameter monitoring and communication, thereby eliminating the BMS auxiliary power supply in the conventional technology, and simplifying the system structure.
  • the integrated charging device can automatically adjust the output power according to the power request, to charge a load without participation of the main controller 300.
  • the method further includes a step as shown in Figure 7 (for example, based on Figure 6 ).
  • the main controller transmits the primary group operation command to the first integrated charging device corresponding to the first charging gun in step S101, the main controller transmits a slave command subordinate to the first integrated charging device to a first power charging device that is among the N power charging devices and that is connected in parallel to the power output terminal of the first integrated charging device.
  • step S102 that is, after the first integrated charging device communicates with the BMS of the load connected to the first charging gun via the communication line in the first charging gun to acquire the power request from the BMS
  • the method further includes the following steps S301 to S302 as shown in Figure 7 .
  • step S301 the first integrated charging device forwards the power request.
  • step S301 the first integrated charging device forwards the power request to the module communication bus, so that all devices in the charging pile acquire the power request for further processes.
  • step S302 the first power charging device connected in parallel to the power output terminal of the first integrated charging device receives the power request forwarded by the first integrated charging device.
  • the first power charging device is activated to output power, as a supplementary power supply to share the power demand in the power request.
  • the power input terminal of each charging gun is connected to one of the integrated charging devices and at least one of the power charging devices.
  • the power charging device acquires the power request via the module communication bus and determines that the power of the integrated charging device is insufficient for charging the load, the power charging device outputs power to equally share the power demand of the load with the integrated charging device.
  • the integrated charging device and the power charging device form a primary group for charging the load. Further, the power charging device automatically adjusts its output power according to the power request, so as to charge the load without participation of the main controller 300.
  • the charging pile further includes a switch module, after step S302, that is, after the first power charging device acquires the power request forwarded by the first integrated charging device and the first power charging device is activated to output power when the first integrated charging device does not meet the power demand in the power request
  • the method further includes the following steps S401 to S403 as shown in Figure 8 in a case that a sum of power outputted by both the first integrated charging device and the first power charging device does not meet the power demand in the power request. Steps S401 to S403 are performed at least once until the power demand in the power request is met.
  • step S401 the main controller transmits a secondary group preparation command to a second integrated charging device that is among the integrated charging devices other than the first integrated charging device and that is idle and a second power charging device that is among the N power charging devices and that is connected in parallel to the power output terminal of the second integrated charging device.
  • step S402 the main controller controls the switch module to act when the second integrated charging device meets a preset condition, to connect the second integrated charging device to the first integrated charging device in parallel to output power.
  • step S403 the second power charging device connected in parallel to the power output terminal of the second integrated charging device serves as a supplementary power supply for the second integrated charging device.
  • the method further includes the following steps S501 to S502 after step S401, that is, after the main controller transmits the secondary group preparation command to the second integrated charging device and the second power charging device connected in parallel to the power output terminal of the second integrated charging device, as shown in Figure 9 .
  • step S501 the second integrated charging device automatically acquires an output voltage of the first integrated charging device based on a primary group number of the first integrated charging device transmitted by the main controller.
  • step S502 the second integrated charging device adjusts a voltage outputted from itself based on the output voltage of the first integrated charging device.
  • the preset condition includes that the voltage outputted by the second integrated charging device is equal to the output voltage of the first integrated charging device.
  • the main controller transmits the secondary group preparation command and the primary group number to the module communication bus.
  • the second integrated charging device acquires, based on the primary group number, an object to which the second integrated charging device is to be connected in parallel, and acquires the output voltage of the primary group via the module communication bus and adjusts the voltage outputted from itself to be the same as the output voltage of the primary group.
  • the main controller controls, by controlling the switch module, the second integrated charging device to be connected in parallel to the primary group, so that the second integrated charging device and the primary group both output power to charge the load.
  • the second integrated charging device When being connected in parallel to the primary group to output power, the second integrated charging device neither supplies power to the BMS of the load nor communicates with the BMS.
  • the power charging device connected in parallel to the power output terminal of the second integrated charging device serves as a supplementary power supply for the second integrated charging device, and forms a secondary group together with the second integrated charging device.
  • the power charging device in the secondary group For operation of the power charging device in the secondary group, reference can be made to the operation of the first power charging device in the primary group, which is not described in detail here.
  • the method further includes the following steps S601 to S604 as shown in Figure 10 .
  • step S601 in response to a command for starting a second charging gun that is currently idle and that is connected to the second integrated charging device, the main controller controls the switch module to act so as to disconnect the second integrated charging device from the first integrated charging device currently connected to the second integrated charging device in parallel; and transmits the primary group operation command to the second integrated charging device, to cause the second integrated charging device and the second power charging device connected in parallel to the power output terminal of the second integrated charging device to stop outputting power.
  • step S602 the second integrated charging device communicates with a BMS of a load connected to the second charging gun via the communication line in the second charging gun, to acquire a power request from the BMS.
  • step S603 the second integrated charging device charges the load via the second charging gun.
  • step S604 the second power charging device connected in parallel to the power output terminal of the second integrated charging device serves as a supplementary power supply for the second integrated charging device.
  • the second charging gun corresponding to the second integrated charging device may be connected to another load.
  • the second integrated charging device and the power charging device corresponding to the second integrated charging device are required to be switched from the secondary group for another charging gun to the primary group for the charging gun corresponding to the second integrated charging device and the power charging device corresponding to the second integrated charging device.
  • the second integrated charging device stops outputting power first, is cut off by the switch module from another integrated charging device to which the idle integrated charging device is currently connected in parallel, and then supplies power to and communicates with a BMS of the load connected to the second charging gun corresponding to the second integrated charging device. That is, another round of process starts from step S201.
  • steps shown in Figure 8 or Figure 9 may be performed at least once if the power outputted by the second integrated charging device and the power charging device corresponding to the second integrated charging device is insufficient to charge the load, so as to meet power demand of the load.
  • a standard 60kW dual-gun charging pile is taken as an example, of which the internal structure is as shown in Figure 4 .
  • Each of M1 and M3 represents the integrated charging device 100 capable of supplying power to a BMS and communicating with the BMS.
  • Each of M2 and M4 represents a conventional charging device, that is, the power charging device 400.
  • the output terminal of the integrated charging device 100 represented by M1 and the output terminal of the power charging device 400 represented by M2 are connected in parallel to form a group 1.
  • the output terminal of the integrated charging device 100 represented by M3 and the output terminal of the power charging device 400 represented by M4 are connected in parallel to form a group 2.
  • the standard 60kW dual-gun charging pile is controlled as follows.
  • the main controller 300 In response to a command for starting a charging gun 200, for example, the charging gun 200 corresponding to M1, the main controller 300 directly transmits the primary group operation command to M1, and transmits the slave command subordinate to M1 to M2, to activate the primary group, which is the group 1 formed by M1 and M2.
  • a charging device to be connected in parallel to the primary group to output power serves as a secondary group. Unlike the integrated charging device 100 in the primary group, the integrated charging device 100 in the secondary group does not supply power to the BMS when connected in parallel to the primary group to output direct current power.
  • M1 When successfully communicating with the BMS and outputting power, M1 transmits a power request received from the BMS to a module communication bus.
  • the power request includes power amount requested by the BMS. If a charging device in the charging pile other than M1 determines that the currently requested power is less than the power outputted by one charging device, the charging device automatically determines that only M1 needs to operate. In this case, only M1 outputs power to respond to the power request.
  • M2 automatically participates in power output and share a half of the power requested by the BMS, without participation of the main controller 300.
  • the main controller 300 transmits the secondary group preparation command and the primary group number corresponding to the primary group to M3 and M4.
  • M3 automatically acquires the output voltage of the primary group and adjusts a voltage outputted from itself to be equal to the output voltage.
  • the main controller 300 controls contactors K1 and K2 in the switch module 500 to connect the secondary group in parallel to the primary group.
  • a process for connecting M4 in parallel with M3 is similar to that for M2.
  • group 2 serving as the secondary group is connected to group 1 that serves as the primary group
  • the main controller 300 controls the contactors K1 and K2 to be switched off and transmits the primary group operation command to group 2, to cause group 2 to operate as the primary group.
  • M3 and M4 both stop outputting, and M3 supplies power to the BMS of the charging gun corresponding to M3, and communicates with the BMS, and outputs direct current power to respond to a power request from this BMS.

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  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Claims (14)

  1. Integrierte Ladevorrichtung (100) und eine Hauptsteuerung (300), wobei die integrierte Ladevorrichtung (100) einen Hauptstromkreis (101), eine Steuerung (102) und ein Kommunikationsmodul (103) umfasst, wobei
    eine Eingangsklemme des Hauptstromkreises als Leistungseingangsklemme der integrierten Ladevorrichtung dient und eine erste Ausgangsklemme des Hauptstromkreises als Leistungsausgangsklemme der integrierten Ladevorrichtung dient und so konfiguriert ist, dass sie mit einer Leistungseingangsklemme einer Ladepistole (200) verbunden wird, die der integrierten Ladevorrichtung entspricht;
    die Steuerung (102) so konfiguriert ist, dass sie den Hauptstromkreis steuert, um Wechselstrom auf der Grundlage eines festgelegten Parameters in Gleichstrom (AC zu DC) umwandelt, um eine Last zu laden;
    ein erstes Ende des Kommunikationsmoduls (103) mit der Steuerung (102) kommunikativ verbunden ist und ein zweites Ende des Kommunikationsmoduls einen externen Kommunikationsanschluss umfasst, wobei der externe Kommunikationsanschluss so konfiguriert ist, dass er über eine Kommunikationsleitung in der Ladepistole mit einem Batterieverwaltungssystem, BMS, der Last kommunikativ verbunden wird; und dadurch gekennzeichnet, dass
    das zweite Ende des Kommunikationsmoduls (103) ferner umfasst:
    einen internen Kommunikationsanschluss, der so konfiguriert ist, dass er mit einem Modulkommunikationsbus verbunden wird, um eine interne Kommunikation innerhalb einer Ladesäule durchzuführen, in der die integrierte Ladevorrichtung (100) angeordnet ist, wobei die interne Kommunikation eine Kommunikation mit einer Hauptsteuerung (300) der Ladesäule und eine Kommunikation mit anderen integrierten Ladevorrichtungen (100) in der Ladesäule umfasst; und
    die Hauptsteuerung (300) in der Ladesäule als Reaktion auf einen Befehl zum Starten einer ersten Ladepistole (200) einen Primärgruppenbetriebsbefehl an eine erste integrierte Ladevorrichtung (100) überträgt, die der ersten Ladepistole (200) (200) unter N Ladepistolen (200) entspricht.
  2. Integrierte Ladevorrichtung und Hauptsteuerung gemäß Anspruch 1, wobei
    das Kommunikationsmodul so konfiguriert ist, dass es auf der Grundlage eines Controller-Area-Network-CAN-Busprotokolls mit dem BMS kommuniziert; und/oder
    der Modulkommunikationsbus ein CAN-Bus ist.
  3. Integrierte Ladevorrichtung und Hauptsteuerung nach einem der Ansprüche 1 und 2, wobei der Hauptstromkreis ferner umfasst:
    eine zweite Ausgangsklemme, die als Nebenleistungsausgangsklemme der integrierten Ladevorrichtung dient und so konfiguriert ist, dass sie das BMS über eine Nebenleistungsleitung in der Ladepistole mit Leistung versorgt.
  4. Integrierte Ladevorrichtung und Hauptsteuerung nach Anspruch 3, wobei der Hauptstromkreis umfasst
    einen AC/DC-Wandler, einen ersten DC/DC-Wandler und einen zweiten DC/DC-Wandler, wobei
    eine Wechselstromseite des AC/DC-Wandlers als Eingangsklemme des Hauptstromkreises dient,
    eine Gleichstromseite des AC/DC-Wandlers, eine Eingangsklemme des ersten DC/DC-Wandlers und eine Eingangsklemme des zweiten DC/DC-Wandlers mit einem Gleichstrombus des Hauptstromkreises verbunden sind,
    eine Ausgangsklemme des ersten DC/DC-Wandlers als erste Ausgangsklemme des Hauptstromkreises dient, und
    eine Ausgangsklemme des zweiten DC/DC-Wandlers als zweite Ausgangsklemme des Hauptstromkreises dient.
  5. Ladesäule mit einer Hauptsteuerung, N Ladepistolen und wenigstens N integrierten Ladevorrichtungen, die jeweils die integrierte Ladevorrichtung (100) und die Hauptsteuerung (300) nach einem der Ansprüche 1 bis 4 sind, und wobei N eine positive ganze Zahl ist, wobei Leistungseingangsklemmen der wenigstens N integrierten Ladevorrichtungen parallel geschalten sind;
    jede der N Ladepistolen mit wenigstens einer der wenigstens N integrierten Ladevorrichtungen verbunden ist; und
    die Hauptsteuerung mit einem internen Kommunikationsanschluss jeder der wenigstens N integrierten Ladevorrichtungen kommunikativ verbunden ist.
  6. Ladesäule nach Anspruch 5, wobei
    die Anzahl von integrierten Ladevorrichtungen N ist und die N integrierten Ladevorrichtungen in Eins-zu-Eins-Entsprechung mit den N Ladepistolen verbunden sind.
  7. Ladesäule nach Anspruch 6, die ferner wenigstens N Leistungsladevorrichtungen umfasst, wobei Leistungseingangsklemmen der wenigstens N Leistungsladevorrichtungen und die Leistungseingangsklemmen der N integrierten Ladevorrichtungen parallel geschaltet sind; und
    die Leistungsausgangsklemme jeder der N integrierten Ladevorrichtungen mit einer Leistungsausgangsklemme wenigstens einer der wenigstens N Leistungsladevorrichtungen parallel geschaltet ist; und
    jede der wenigstens N Leistungsladevorrichtungen mit einem internen Kommunikationsanschluss versehen ist, der so konfiguriert ist, dass er mit jeder der integrierten Ladevorrichtungen kommunikativ verbunden wird.
  8. Ladesäule nach Anspruch 7, wobei, wenn N größer als 1 ist, die Ladesäule ferner umfasst:
    ein Schaltmodul, das so konfiguriert ist, dass es die Leistungsausgangsklemme einer der integrierten Ladevorrichtungen parallel mit der Leistungsausgangsklemme einer anderen der integrierten Ladevorrichtungen schaltet.
  9. Verfahren zum Steuern einer Ladesäule, wobei das Verfahren auf die Ladesäule nach einem der Ansprüche 5 bis 8 angewandt wird und umfasst:
    Übertragen eines Primärgruppenbetriebsbefehls durch die Hauptsteuerung in der Ladesäule als Reaktion auf einen Befehl zum Starten einer ersten Ladepistole unter den N Ladebefehlen an eine erste integrierte Ladevorrichtung, die sich unter den integrierten Ladevorrichtungen befindet und mit der erste Ladepistole verbunden ist (S101);
    Kommunizieren mit einem Batterieverwaltungssystem, BMS, einer Last, die mit der ersten Ladepistole verbunden ist, durch die erste integrierte Ladevorrichtung über eine Kommunikationsleitung in der ersten Ladepistole, um eine Leistungsanforderung von dem BMS zu erfassen (S102); und
    Laden der Last durch die erste integriere Ladevorrichtung über die erste Ladepistole (S103).
  10. Verfahren zum Steuern einer Ladesäule nach Anspruch 9, wobei das Verfahren, wenn die erste integrierte Ladevorrichtung eine Nebenleistungsausgangsklemme umfasst, vor dem Kommunizieren mit einem BMS einer Last, die mit der ersten Ladepistole verbunden ist, durch die erste integrierte Ladevorrichtung über eine Kommunikationsleitung in der ersten Ladepistole ferner umfasst:
    Speisen von Leistung durch die erste integrierte Ladevorrichtung über eine Nebenleistungsleitung in der ersten Ladepistole an das BMS.
  11. Verfahren zum Steuern einer Ladesäule nach Anspruch 9 oder 10, wobei das Verfahren, wenn die Ladesäule wenigstens N Leistungsladevorrichtungen umfasst, ferner umfasst:
    wenn die Hauptsteuerung den Primärgruppenbetriebsbefehl an die erste integrierte Ladevorrichtung überträgt, die der ersten Ladepistole entspricht,
    Übertragen eines Slave-Befehls, der der ersten integrierten Ladevorrichtung untergeordnet ist, durch die Hauptsteuerung an eine erste Leistungsladevorrichtung, die sich unter den wenigstens N Leistungsladevorrichtungen befindet und mit der Leistungsausgangsklemme der ersten integrierten Ladevorrichtung parallel geschalten ist; und
    das Verfahren nach dem Kommunizieren mit einem BMS einer Last, die mit der ersten Ladepistole verbunden ist, durch die erste integrierte Ladevorrichtung über eine Kommunikationsleitung in der ersten Ladepistole, um eine Leistungsanforderung von dem BMS zu erfassen, ferner umfasst:
    Weiterleiten der Leistungsanforderung durch die erste integrierte Ladevorrichtung; und
    Empfangen der von der ersten integrierten Ladevorrichtung weitergeleiteten Leistungsanforderung durch die erste Leistungsladevorrichtung und, wenn von der ersten integrierten Ladevorrichtung ausgegebene Leistung den Leistungsbedarf in der Leistungsanforderung nicht deckt, Aktivieren der ersten Leistungsladevorrichtung zur Ausgabe von Leistung, wobei die erste Leistungsladevorrichtung als ergänzende Leistungsversorgung zum Teilen des Leistungsbedarfs in der Leistungsanforderung dient.
  12. Verfahren zum Steuern einer Ladesäule nach Anspruch 11, wobei das Verfahren, wenn die Ladesäule ferner ein Schaltmodul umfasst, ferner umfasst:
    nach dem Empfangen der von der ersten integrierten Ladevorrichtung weitergeleiteten Leistungsanforderung durch die erste Leistungsladevorrichtung und, wenn die von der ersten integrierten Ladevorrichtung ausgegebene Leistung den Leistungsbedarf in der Leistungsanforderung nicht deckt, dem Aktivieren der ersten Leistungsladevorrichtung zur Ausgabe von Leistung und, wenn eine Summe einer von sowohl der ersten integrierten Ladevorrichtung als auch der ersten Leistungsladevorrichtung ausgegebene Leistung den Leistungsbedarf nicht deckt,
    Durchführen der folgenden Vorgänge, bis wenigstens der Leistungsbedarf in der Leistungsanforderung gedeckt ist:
    Übertragen eines Sekundärgruppenvorbereitungsbefehls durch die Hauptsteuerung an eine zweite integrierte Ladevorrichtung, die sich unter den integrierten Ladevorrichtungen befindet und im Leerlauf ist, und eine zweite Leistungsladevorrichtung, die sich unter den wenigstens N Leistungsladevorrichtungen befindet und mit der Leistungsausgangsklemme der zweiten integrierten Ladevorrichtung parallel geschaltet ist;
    wenn die zweite integrierte Ladevorrichtung eine vorab festgelegte Bedingung erfüllt, Ansteuern des Schaltmoduls durch die Hauptsteuerung, so dass es die zweite integrierte Ladevorrichtung mit der ersten integrierten Ladevorrichtung zur Ausgabe von Leistung parallel schaltet; und
    Festlegen der zweiten Leistungsladevorrichtung, die mit der Leistungsausgangsklemme der zweiten integrierten Ladevorrichtung parallel geschalten ist, als ergänzende Leistungsversorgung für die zweite integrierte Ladevorrichtung.
  13. Verfahren zum Steuern einer Ladesäule nach Anspruch 12, das ferner umfasst:
    nach dem Übertragen eines Sekundärgruppenvorbereitungsbefehls durch die Hauptsteuerung an eine zweite integrierte Ladevorrichtung, die sich unter den integrierten Ladevorrichtungen befindet und im Leerlauf ist, und eine zweite Leistungsladevorrichtung, die sich unter den wenigstens N Leistungsladevorrichtungen befindet und mit der Leistungsausgangsklemme der zweiten integrierten Ladevorrichtung parallel geschalten ist,
    automatisches Erfassen einer Ausgangsspannung der ersten integrierten Ladevorrichtung durch die zweite integrierte Ladevorrichtung auf der Grundlage einer Primärgruppenzahl der ersten integrierten Ladevorrichtung, die von der Hauptsteuerung übertragen wird, und
    Anpassen einer von der zweiten integrierten Ladevorrichtung ausgegebenen Spannung durch die zweite integrierte Ladevorrichtung auf der Grundlage der Ausgangsspannung der ersten integrierten Ladevorrichtung, wobei die vorab festgelegte Bedingung umfasst, dass die von der zweiten integrierten Ladevorrichtung ausgegebene Spannung gleich der Ausgangsspannung der ersten integrierten Ladevorrichtung ist.
  14. Verfahren zum Steuern einer Ladesäule nach Anspruch 12, das ferner umfasst:
    nach dem Parallelschalten der zweiten integrierten Ladevorrichtung mit der ersten integrierten Ladevorrichtung zur Ausgabe von Leistung,
    Ansteuern des Schaltmoduls durch die Hauptsteuerung als Reaktion auf einen Befehl zum Starten einer zweiten Ladepistole, die derzeit im Leerlauf und mit der zweiten integrierten Ladevorrichtung verbunden ist, so dass es die zweite integrierte Ladevorrichtung von der ersten integrierten Ladevorrichtung trennt, die derzeit mit der zweiten integrierten Ladevorrichtung parallel geschalten ist; und
    Übertragen des Primärgruppenbetriebsbefehls durch die Hauptsteuerung an die zweite integrierte Ladevorrichtung, um zu bewirken, dass die zweite integrierte Ladevorrichtung und die zweite Leistungsladevorrichtung, die mit der Leistungsausgangsklemme der zweiten integrierten Ladevorrichtung parallel geschalten ist, die Ausgabe von Leistung stoppen;
    Kommunizieren mit einem BMS einer Last, die mit der zweiten Ladepistole verbunden ist, durch die zweite integrierte Ladevorrichtung über eine Kommunikationsleitung in der zweiten Ladepistole, um eine Leistungsanforderung von dem BMS zu erhalten;
    Laden der Last durch die zweite integrierte Ladevorrichtung über die zweite Ladepistole; und
    Festlegen der zweiten Leistungsladevorrichtung, die mit der Leistungsausgangsklemme der zweiten integrierten Ladevorrichtung parallel geschalten ist, als ergänzende Leistungsversorgung für die zweite integrierte Ladevorrichtung.
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